> This tech can only sequester CO2 without the presence of O2. Where does CO2 occur without O2? Here is a system for collecting CO2 from ambient air and discha

> This tech can only sequester CO2 without the presence of O2. Where does CO2 occur without O2? Here is a system for collecting CO2 from ambient air and discharging a stream of pure CO2: https://news.mit.edu/2019/mit-engineers-develop-new-way-remove-carbon-dioxide-air-1025 https://news.mit.edu/2019/mit-engineers-develop-new-way-remo... > If you didn't say anything about burning carbon, you weren't paying attention. Wrong.